Home / 35,755.11-49,343.37-21,605.22

Finding the Fourth Proportional to 35,755.11, 49,343.37 and 21,605.22

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Solution

The fourth proportional to 35,755.11, 49,343.37 and 21,605.22 is: 29,816.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,755.11 : 49,343.37 = 21,605.22 : x
  2. Step 2: Convert to fraction form
    35,755.11/49,343.37 = 21,605.22/x
  3. Step 3: Cross multiply
    35,755.11x = 49,343.37 × 21,605.22
  4. Step 4: Simplify right side
    35,755.11x = 1,066,074,364.39
  5. Step 5: Solve for x
    x = 1,066,074,364.39/35,755.11
  6. Step 6: Final answer
    x = 29,816.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.